CN211039997U

CN211039997U - Corrosion-resistant high-pressure-resistant composite pipe joint

Info

Publication number: CN211039997U
Application number: CN201922295578.5U
Authority: CN
Inventors: 陈霞; 贾天具; 王勇
Original assignee: Shandong Liaocheng Jintai Energy Saving Technology Co ltd
Current assignee: Shandong Liaocheng Jintai Energy Saving Technology Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-07-17
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a corrosion-resistant high pressure resistant composite pipe connects, including compound pipe, still include joint unit and linkage unit, the joint unit includes annular piece, hexagon nut and annular touch multitouch, the annular piece sets up the one end at compound pipe, and the external diameter of annular piece is greater than compound pipe's external diameter. The utility model discloses because the hinge bar has formed a lever, and the length that is close to annular groove one end is greater than the length of the other end, can know through lever principle, the strength of hinge bar effect on and hexagon nut is less than the strength on effect and the annular section of thick bamboo two, and then turn into great power pulling annular section of thick bamboo two through the hinge bar with hexagon nut touch multitouch's conflict power and hug closely the annular piece, annular section of thick bamboo two and the dynamics of being connected of annular section of thick bamboo piece have been increased, thereby joint connection intensity has been improved, and simultaneously, because the strength of effect on with hexagon nut is less, when installation and dismantlement, need not to use great strength, high durability and convenient use.

Description

Corrosion-resistant high-pressure-resistant composite pipe joint

Technical Field

The utility model relates to a connect technical field, specificly relate to a compound coupling of corrosion-resistant high pressure resistant.

Background

The non-metal pipeline has excellent corrosion resistance, and becomes an important development direction for corrosion prevention of the gathering and transportation pipeline of the oil and gas field. Non-metal pipelines for oil and gas fields have been developed from the original glass reinforced plastic pipes to various non-metal composite pipes such as fiber reinforced composite pipes, steel skeleton composite pipes, flexible composite pipes, plastic alloy composite pipes and the like. The non-metal continuous composite pipe comprises a composite pipe lining layer, a composite pipe reinforcing layer and a composite pipe outer protective layer, wherein the composite pipe lining layer, the composite pipe reinforcing layer and the composite pipe outer protective layer are coaxially arranged from inside to outside in sequence.

At present, the joint of the existing nonmetal continuous composite pipe mainly adopts a threaded mode to connect two composite pipes, the joint and the composite pipe are screwed tightly in order to ensure the connection firmness, so that the joint can be assembled and disassembled only by using a large force, and the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a compound coupling of corrosion-resistant high pressure resistant to solve the problem that proposes in the above-mentioned background art.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

The clamping unit comprises an annular block, a hexagon nut and an annular contact block, the annular block is arranged at one end of the composite pipe, the outer diameter of the annular block is larger than that of the composite pipe, an annular clamping groove is formed in the middle of one side, away from the composite pipe, of the annular block, an annular groove is formed in one side of the annular block on the outer side of the composite pipe, the hexagon nut is connected to the outer side, close to the annular groove, of the composite pipe in a threaded mode, and the annular contact block is arranged on one side, close to the annular groove, of the hexagon nut;

The connecting unit comprises a second annular cylinder, a first annular cylinder and hinge rods, the middle of the inner side of the second annular cylinder is provided with a first annular cylinder, two ends of the first annular cylinder are provided with annular bulges matched with the annular clamping grooves, and two ends of the second annular cylinder are evenly hinged with a plurality of hinge rods along the circumferential direction of the two ends of the annular cylinder.

Preferably, the number of the hinge rods is 4.

Preferably, the first annular cylinder and the second annular cylinder are integrally formed.

Preferably, the composite tube is integrally formed with the annular block.

Preferably, a sealing gasket is arranged on the inner side of the annular clamping groove.

Preferably, the thickness of the first annular cylinder is equal to that of the annular block.

Preferably, the cross section of the annular groove is a right triangle.

Preferably, the cross section of the annular bulge is a regular triangle.

3. Advantageous effects

1. The utility model discloses annular block one side in the compound pipe outside sets up the annular groove, and annular groove's inboard sets up sealed the pad, and an annular section of thick bamboo both ends all set up the annular arch of matcing each other with annular groove, and during the application, the protruding card of annular at an annular section of thick bamboo both ends is established inside the annular groove of annular block, and the bellied cross section of annular is regular triangle, has improved the area of contact of junction that connects with compound pipe, and then has improved the leakproofness of connecting.

2. The utility model is characterized in that one side of the annular block outside the composite pipe is provided with an annular groove, the outer side of the composite pipe, which is close to one side of the annular groove, of the annular block is connected with a hexagon nut in a threaded manner, one side of the hexagon nut, which is close to the annular groove, is provided with an annular touch block, two ends of the annular cylinder are evenly hinged with a plurality of hinged rods along the circumferential direction, when in installation, the hexagon nut on two composite pipes to be connected is rotated to one end far away from the annular block, then the two composite pipes are respectively inserted into the interiors of the two ends of the annular cylinder, then the hinged rods at the two ends of the annular cylinder are turned downwards, the hexagon nuts on the two composite pipes are respectively rotated to ensure that the touch block pushes one ends of the plurality of hinged rods to approach the interior of the annular groove, further, the hinged rods pull the annular cylinder to move towards one side of the composite pipe to complete, can know through lever principle, the strength of hinge bar effect and hexagon nut is less than the strength of effect and annular section of thick bamboo on two, and then turns into great power pulling annular section of thick bamboo through the conflict power of hinge bar with hexagon nut touch multitouch and hugs closely the annular piece, has increased annular section of thick bamboo two and annular piece and has connected the dynamics to improved joint connection intensity, simultaneously, because the strength of effect and hexagon nut is less, when installation and dismantlement, need not to use great strength, convenient to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

Fig. 2 is a schematic diagram of a T-shaped tube structure of the present invention.

Reference numerals: 1-annular protrusion, 2-annular cylinder I, 3-annular cylinder II, 4-annular block, 5-hexagonal nut, 6-composite pipe, 7-annular contact block, 8-annular groove, 9-annular clamping groove and 10-hinge rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

The corrosion-resistant high-pressure-resistant composite pipe joint shown in fig. 1-2 comprises a composite pipe 6, and further comprises a clamping unit and a connecting unit, wherein the clamping unit comprises an annular block 4, a hexagon nut 5 and an annular contact block 7, the annular block 4 is arranged at one end of the composite pipe 6, the composite pipe 6 and the annular block 4 are integrally formed, the outer diameter of the annular block 4 is larger than that of the composite pipe 6, an annular clamping groove 9 is formed in the middle of one side, away from the composite pipe 6, of the annular block 4, a sealing gasket is arranged on the inner side of the annular clamping groove 9, an annular groove 8 is formed in one side, outside the composite pipe 6, of the annular groove 8, the cross section of the annular groove 8 is in a right-angled triangle shape, the hexagon nut 5 is in threaded connection with the outer side, close to the annular groove 8, of the composite pipe 6, of;

The connecting unit includes annular section of thick bamboo two 3, annular section of thick bamboo one 2 and hinge bar 10, the inboard middle part of annular section of thick bamboo two 3 is provided with annular section of thick bamboo one 2, annular section of thick bamboo one 2 and annular section of thick bamboo two 3 integrated into one piece, annular section of thick bamboo one 2 adopts polyethylene with the material of annular section of thick bamboo two 3, improve its corrosion resistance, the thickness of annular section of thick bamboo one 2 equals with the thickness of annular piece 4, annular section of thick bamboo one 2 both ends all are provided with the annular arch 1 that matches each other with ring groove 9, the cross section of annular arch 1 is regular triangle, annular section of thick bamboo two 3 both ends are evenly articulated along its circumferencial direction have 4 hinge bar 10.

The working principle is as follows: when the device is installed, the hexagon nuts 5 on two composite pipes 6 to be connected are rotated to one end far away from the annular block 4, then the two composite pipes 6 are respectively inserted into the two ends of the annular cylinder II 3, so that the annular bulges 1 at the two ends of the annular cylinder I2 are clamped in the annular grooves 9 of the annular block 4, the cross section of the annular bulge 1 is in a regular triangle shape, the contact area of the joint and the composite pipes 6 is increased, the tightness of the joint is further improved, then the hinge rods 10 at the two ends of the annular cylinder II 3 are downwards turned, the hexagon nuts 5 on the two composite pipes 6 are respectively rotated, so that the contact block 7 pushes one ends of the hinge rods 10 to be close to the inside of the annular groove 8, the hinge rods 10 pull the annular cylinder II 3 to move to one side of the composite pipes 6 to complete installation, the hinge rods 10 form a lever, and the length close to one end of the annular groove 8 is greater than that, can know through lever principle, the power of hinge rod 10 effect on 5 with hexagon nut is less than the effect and the annular section of thick bamboo two 3 power on, and then turn into great power pulling annular section of thick bamboo two 3 through hinge rod 10 with 5 conflict pieces 7 of hexagon nut and hug closely annular piece 4, annular section of thick bamboo two 3 and the 4 dynamics of being connected of annular piece have been increased, thereby joint connection intensity has been improved, and simultaneously, because the effect is less with the power on 5 with hexagon nut, when installation and dismantlement, need not to use great power, high durability and convenient use.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The utility model provides a corrosion-resistant high pressure resistant composite pipe connects, includes composite pipe (6), its characterized in that still includes joint unit and linkage unit, the joint unit includes annular piece (4), hexagon nut (5) and annular touch multitouch (7) that supports, annular piece (4) set up the one end at composite pipe (6), and the external diameter of annular piece (4) is greater than the external diameter of composite pipe (6), the middle part that composite pipe (6) one side was kept away from to annular piece (4) is provided with annular draw-in groove (9), annular piece (4) one side in the composite pipe (6) outside is provided with annular groove (8), the composite pipe (6) outside threaded connection that annular piece (4) is close to annular groove (8) one side has hexagon nut (5), and one side that hexagon nut (5) is close to annular groove (8) is provided with annular touch multitouch (7);

The connecting unit comprises an annular cylinder II (3), an annular cylinder I (2) and hinge rods (10), the middle part of the inner side of the annular cylinder II (3) is provided with the annular cylinder I (2), both ends of the annular cylinder I (2) are provided with annular protrusions (1) matched with annular clamping grooves (9), and both ends of the annular cylinder II (3) are evenly hinged with the hinge rods (10) along the circumferential direction.

2. A corrosion-resistant high-pressure-resistant composite pipe joint according to claim 1, wherein the number of the hinge rods (10) is 4.

3. The corrosion-resistant high-pressure-resistant composite pipe joint according to claim 1, wherein the first annular cylinder (2) and the second annular cylinder (3) are integrally formed.

4. A corrosion-resistant high-pressure-resistant composite pipe joint according to claim 1, wherein the composite pipe (6) is integrally formed with the annular block (4).

5. The corrosion-resistant high-pressure-resistant composite pipe joint according to claim 1, wherein a sealing gasket is arranged on the inner side of the annular clamping groove (9).

6. A corrosion-resistant high-pressure-resistant composite pipe joint according to claim 1, wherein the thickness of the first annular cylinder (2) is equal to that of the annular block (4).

7. A corrosion-resistant high-pressure-resistant composite pipe joint according to claim 1, wherein the cross section of the annular groove (8) is a right triangle.

8. A corrosion-resistant high-pressure-resistant composite pipe joint according to claim 1, wherein the cross section of the annular protrusion (1) is regular triangle.